Which of the following abiotic factors would likely affect humans directly?

soil ph

humidity

number of sunny days

water availability

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)